Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/NXP Semiconductors/LPC18xx/LCD/CRSR_PAL1#0x0
Cursor Palette register 1
Red color component
Green color component
Blue color component.
Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined.
https://github.com/cmsis-svd/cmsis-svd-data